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Old Nov 4, 2012, 1:39 PM   #1
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Default Need help on my 16-85

My 16-85, recently purchased used (returnable).

Will not lock on focus at widest FL. At 16mm the distance scale goes to infinity and the focus indicator shows it's front focused. Now, if I zoom to just past 16mm, just nudging just off the widest FL, the AF-S works fine and achieves focus. I've tested it in low light, outdoors, different metering modes...same result. I'm using a D7K, my other lenses are fine (e.g., my Tamron 70-300 VC has no issue at 70mm, my Tamron 17-50 has no focusing issue at 17mm). Don't know if it's relevant, but I've cleaned the contacts on the lens.
Anything I'm missing or should try before I return the lens (or, perhaps, operator error? ).
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Last edited by rrwilliams64; Nov 4, 2012 at 9:41 PM.
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Old Nov 4, 2012, 8:57 PM   #2
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While I don't have the Nikon 16-85mm lens, I do from time to time experience the same issue when using a Tokina 11-16mm with my D7000. As a matter of fact, I've had the same thing happen when I've used my Tamron 17-50mm f2.8 lens.

Generally, I find that if I move my focus point to a location in the frame that has more contrast, the problem is solved.

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Old Nov 4, 2012, 9:34 PM   #3
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note- the exif data shows I'm indeed at 16mm (a good thing), but I have to back off zoom from wide open a smidgeon or the aforementioned occurs (that's why I thought it was perhaps sitting at 17mm or so). Still not where I want to be, when I shoot wide angle I dont want the extra step of "moving off wide open". sigh. thnx for the input, zig. I'll try that...
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D7000
Tamron 17-50 f/2.8 SD
Nikon 16-85 VR II
Nikon 85mm f/1.8 D
Nikon 35mm f/1.8 G
Tamron 70-300 VC
SB-600
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Old Nov 5, 2012, 5:03 AM   #4
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I know the frustration of having the shutter not release. Since you mentioned that the lens is returnable, perhaps, that is your best course of action.

I should have done the same with the 11-16mm Tokina but waited too long.


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